Examine source code of Christmas Candle

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#2f8505",
      "tab_background_text": "#f1ffeb"
    }
  },
  "version": "2.0",
  "name": "Christmas Candle",
  "manifest_version": 2,
  "description": "Stock credit: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/6138cab95564135b55a93f94686942603d83a83e6e97a65b04d7711c3451d8b4/https%3A//www.freepik.com/vector-corp\">Jiell juana</a>"
}